baber/WOPTO huggingface dataset:
Patent JP-2003248126-A (JP)
Title: Optical waveguide grating, light source unit, and optical system
Inventor: SHIGEMATSU MASAYUKI
IPC: G02B6/14
Filed: 2002-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact, inexpensive optical waveguide grating or the like for reducing polarization degree of light.  <P>SOLUTION: In the optical waveguide grating 150, a long-period grating 151 is formed along the longitudinal direction of a core region 161 of a polarization maintaining optical fiber 160. An equation for phase-matching condition is established among a grating period of the long-period grating 151, an effective diffractive index to second-mode light, and the respective wavelengths of the first-mode light and second-mode light.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003250615-A (JP)
Title: Cover-combined umbrella
Inventor: KANESHIRO TOSHIO
IPC: A45B25/24
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To solve many problems related to a conventional umbrella that the wet umbrella is difficult to deal with in carrying because it wets other things, an umbrella cover of separate body is lost soon, and the opened cover is insufficient in waterproofing property.  <P>SOLUTION: This cover-combined umbrella comprises an expansible/ contractible umbrella cover provided with a flexible cover opened at both ends, a guide cylinder to be slid and guided to an umbrella circumferential surface folded while fixing one end of the cover, a holding pipe slidably provided on a middle bar to fix and hold the other end of the cover, and a holding part for holding the guide cylinder when opening and closing the umbrella. According to the above structure, when the guide cylinder is slid to the folded umbrella circumferential surface to open the umbrella, the flexible cover is housed in the slide guide cylinder so as to be successively folded in bellows shape, and the umbrella is laid in an opened state simultaneously with the holding operation of the slide guide cylinder to a handle holding part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003256956-A (JP)
Title: Home health device
Inventor: OKAMOTO MIYUKI
IPC: G08B25/04
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a home health device by which presence/absence of information to an external facility can be confirmed and communication can surely be performed with an informing destination in an emergency.  <P>SOLUTION: A home terminal 4 and a center 6 are connected with a LAN (local area network) 5. A user 2 of a user's house 1 performs two-way communication with the house terminal 4 by radio by using a pendent type communication machine 3. The house terminal 4 can communicate with the center 6 via the LAN 5. When the house terminal 4 performs emergency information to the center 6 based on a signal for emergency information received from the pendant type communication machine 3, an indicator lamp (LED) of the pendant type communication machine 3 flickers and indicates that the emergency information is performed from the house terminal 4.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003142021-A (JP)
Title: Image evaluation method and microscope
Inventor: ISHITANI TORU
IPC: H01J37/22
Filed: 2002-03-08
Abstract: PROBLEM TO BE SOLVED: To provide an image evaluation method capable of evaluating image resolution of a microscope image under objective decision. SOLUTION: This image evaluation method is conducted in such a way that the resolution of a partial region of an image is found over the whole image or a partial region of the image, leveled over the whole image or the partial image, to obtain a resolution evaluation value of the whole image or the partial region. In the evaluation of the image resolution of a microscope, since subjectivity of the evaluator is not included, high accuracy and good reproducibility of the evaluation value of the image resolution can be obtained.
Patent JP-2003264309-A (JP)
Title: Optical semiconductor device and its manufacturing method
Inventor: KASHIURA YUKIKO
IPC: H01L27/10
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical semiconductor device that is easily manufactured, and its manufacturing method, in which relatively high light receiving sensitivity can be ensured while suppressing variation even when a light receiving element and a circuit element are formed on the same semiconductor substrate.  <P>SOLUTION: The optical semiconductor device 100 comprises a light receiving element part 52 including a first conductivity type first semiconductor layer 12 formed on the surface of a first conductivity type semiconductor substrate 10, a second conductivity type second semiconductor layer 16 formed on the surface of the first semiconductor layer 12, and an antireflection film 32 formed on the surface of the second semiconductor layer 16 and preventing the reflection of incident light, and a circuit element part including a circuit element 60 formed in the second semiconductor layer 16 on the semiconductor substrate 10, and a protective film 30 formed of the same material as that of the antireflection film 32 to cover the circuit element 60 in order to protect it.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003046777-A (JP)
Title: Mask preparation method, image processor, software program and mask data
Inventor: HIRANO MASANORI
IPC: H04N1/405
Filed: 2002-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for preparing a half-tone conversion mask capable of shortening the processing time, and outputting an image of high quality. SOLUTION: A dot pattern is determined independently for every prescribed gradation level, and a mask is produced by the dot pattern obtained as mentioned above. In this case, the mask is constituted of threshold data for converting multi-level image data into a halftone image through comparison with a threshold for each pixel.
Patent JP-2003271215-A (JP)
Title: Method and device for checking machining program of nc machine tool, as well as nc machine tool equipped therewith
Inventor: SAGAWA TAKANOBU
IPC: B23Q15/00
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To speedily easily perform a check and correction of a machining program, and to perform a large portion of them even if using a personal computer, etc.  <P>SOLUTION: The machining program is simulated by one block while performing a graphic display of machining state. An interference check and an abnormal approach check are carried out. The detected interference block and abnormal approach block are stored. In an edit display, the stored interference block and abnormal approach block are displayed by discriminating them from other block. Upon correcting the program, the block is stored as a change block. By using simulation results, an operating state is switched prior to execution of the stored block in a check mode operation of an NC (numerically controlled) machine tool.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273855-A (JP)
Title: Digital authentication management method, digital authentication issue server, digital authentication transmission client, and digital authentication management program and recording medium therefor
Inventor: KONO KAZUHIRO
IPC: G06Q50/26
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital authentication management method, a digital authentication issue server, a digital authentication transmission client, a digital authentication management program and a recording medium therefor, and a digital authentication transmission program in which security of the digital authentication is managed and expiration of the digital authentication is obviated.  <P>SOLUTION: The digital authentication management method for managing the digital authentication in the digital authentication issue server (10) which issues the digital authentication to a client through a network comprises an issue step for issuing the digital authentication to the client, and a transfer step for transferring the issued authentication to a computer (20), to which access from the network side is restricted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003269143-A (JP)
Title: Exhaust emission control device for internal combustion engine
Inventor: SASAKI KIYOTAKA
IPC: F02D45/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent deterioration of emission/fuel consumption in NOx purge control to an NOx catalyst even if sensors function abnormally.  <P>SOLUTION: In the NOx purge control to an amount of NOx storage by the NOx catalyst 14 installed on the downstream side of a three-way catalyst 13 in an exhaust passage 12 of an internal combustion engine 1, when the output VOX2 from a first sensor 27 is abnormal, the control is changed over to second NOx purge control wherein a component rich in air-fuel ratio is scarce after a predetermined time has elapsed from the start of first NOx purge control wherein a component rich in air-fuel ratio abounds, the thereafter the second NOx purge control is terminated based on the output VOX3 from a second sensor 28. Thereby, since the control is changed over to the second NOx purge control at the suitable timing even when the output state form the first sensor 27 is abnormal, the deterioration of emission/fuel consumption can be prevented.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002345588-A (JP)
Title: Inclination adjusting metal fitting for partial area of, for example, back rest part of car seat
Inventor: PLESKOT ANDRZEJ
IPC: A47C1/025
Filed: 2002-03-14
Abstract: PROBLEM TO BE SOLVED: To form an inclination adjusting metal fixture which is built of parts in a simplest possible manner and allows the even loading of parts with teeth engaged with each other while achieving a resistance to collision so as to keep them engaged as intact in collision accidents. SOLUTION: In the inclination adjusting metal fixture for the partial area of, for example, a back rest part 9 of the car seat, a first metal fixture part 2 is connected firmly to a first partial area 9a while a second metal fixture part 4 to a second partial area 9a. Both the partial areas 9a and 9b are connected together made turnable centered on a common turning axis 3 while the second metal fixture part 4 is supported on the second partial area 9b so as to be turnable centered on the axis 4a parallel with the turning axis 3 and held being retained using a lock anchor 5. Under such an engaged state, a part 4b with a tooth of the second metal fixture part 4 stays engaged with the mating part 2a of the first metal fixture part 2.  Angles α and γof engagement of tooth faces receiving loads in the collision accidents decrease with an increasing interval from the axis 4a at the part 4b with a tooth of the first metal fixture part 4 and at the mating part 2a with a tooth complimentary thereto.
Patent JP-2003270724-A (JP)
Title: Projection type display device and system thereof
Inventor: HIRAMATSU KAZUNORI
IPC: G03B21/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate recognizing the condition of an image quality to improve maintainability.  <P>SOLUTION: A system is provided with an optical engine 7 for projecting an image, a camera 11 for picking up an image obtained by the optical engine 7, a communication part 22 for transmitting image pickup data obtained by the camera 11 to a maintenance service site 2 and for receiving image adjustment information from the maintenance service site 2 which adjusts the image, an image adjustment information setting part 18 for adjusting the image on the basis of the image adjustment information, and a storage part 15 for storing image pickup data obtained by the camera 11.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003271053-A (JP)
Title: Map data preparation method
Inventor: MATSUMOTO MASARU
IPC: G09B29/00
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a map data preparation method for displaying a gateway through which people enter and leave in area data composed of closed contours.  <P>SOLUTION: In the map data preparation method whereby the area data composed of closed contours are prepared and attribute data corresponding to the area data are stored, display and printed, part of the contour of the area data through which people enter and leave is formed as line data, and then the attribute data of the gateway corresponding to the line data are stored, displayed, and printed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003274158-A (JP)
Title: Image processor and image processing program
Inventor: BABA HIDEKI
IPC: H04N1/40
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To not only reduce resources but also make the image quality uniform in an image processor capable of coping with local copy as well as network copy.  <P>SOLUTION: The image processor is provided with an input part 100 for reading a document image, an attribute information generation part 102 for generating attribute information from the document image read by the input part 100, a reception part 103 for receiving compressed image information transmitted from an external device, an information generation part 105 for generating image information and attribute information from the compressed image information received by the reception part 103, and selectors 106 and 107 for selecting the document image read by the input part 100 and the attribute information generated by the attribute information generation part 102 when reading the document image by the input part 100 and selecting the image information and the attribute information which are generated by the information generation part 105, when receiving the compressed image information by the reception part 103.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003267559-A (JP)
Title: Sheet material feeding cassette, sheet material feeding unit and image forming device
Inventor: SUDO TOSHIHIKO
IPC: B65H1/00
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To receive sheet material information about sheet material on which image is recorded before start of paper feeding and to restrict image forming conditions for sheet material at an image record part based on the received sheet material information.  <P>SOLUTION: When a paper feeding cassette 26 is installed on a cassette installation part, the same gets in a communication state with a communication and control part 54 of an antenna unit of a main body part side 22 trough radio wave. A paper feeding unit 18 separates a sheet of record paper P from record paper P loaded in the paper feeding cassette 26 and sends the same to an image record part 44 after receiving sensor information sent from the communication and control part 54. Consequently, a central control part of a laser printer 10 can determine size and electrical resistance of record paper P at a stage before starting feeding record paper P loaded in the paper feeding cassette 26 to the image record part 44.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003266932-A (JP)
Title: Clear ink composition and method for manufacturing ink jet recorded matter using composition
Inventor: KATAOKA SHUICHI
IPC: C09D11/00
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a high-quality image which shows the outstanding color development properties and glossiness of a recorded matter, in an ink jet recording process.  <P>SOLUTION: Data are recorded by applying a clear ink composition which contains water, a cationic resin and a polymer fine particle and does not contain a colorant and a color ink composition containing a colorant to a recording medium respectively. The polymer fine particle is preferably emulsified in the clear ink composition and of an average particle diameter of 70 nm or more. The cationic resin is preferably a polyethylene imine having a weight average molecular weight (Mw) of 100,000 or less.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003280381-A (JP)
Title: Developing device and image forming device using the same
Inventor: OZAKI YOSHIFUMI
IPC: G03G15/08
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize the autonomous control of toner concentration in a developer and electrostatic charging and to obtain a uniform developing performance without any density unevenness.  <P>SOLUTION: The developing device is equipped with a developer carrier 1 which is equipped with a magnetic field producing means inside and conveys and carriers a two-component developer G containing a toner T and a magnetic carrier C (Fig. 2 and Fig. 3), a restriction member 2 which limits the amount of a developer carried onto the developer carrier 1, a developer storage part 3 which is adjacent to the developer carrier 1 and stores the developer G upstream from the restriction member 2, a toner storage part 4 which is linked with the developer carrier 1 through the developer storage part 3 and stores the toner T in a suppliable state, and a rotating member 5 which is provided in the developer storage part 3 and rotates in contact with or closely to the developer carrier 1 and takes the toner from the toner storage part 4 in the developer storage part 3 while applying a turning force to the developer G in the developer storage part 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277425-A (JP)
Title: Method for producing acrylic resin
Inventor: ITO TADANAGA
IPC: C08F4/32
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To develop a method for production in order to obtain an acrylic resin having a comparatively low viscosity for a high molecular weight suitable for coatings, etc., with a high solid content.  <P>SOLUTION: The method for producing the acrylic resin comprises polymerizing an acrylic or a methacrylic ester monomer or the acrylic or methacrylic ester monomer and other copolymerizable monomers using an organic peroxide having a hydroxy substitution on the carbon at the α-position as a polymerization initiator. Thereby, the acrylic resin having the comparatively low viscosity for the high molecular weight is obtained by the method for production.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003287561-A (JP)
Title: Component-testing apparatus
Inventor: KISHIDA AKIRA
IPC: G01R31/26
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To clearly image a socket-mounting section of a component-testing apparatus, to prevent an imaging apparatus or the like from interfering with an accessory member in a testing apparatus during the movement of a component-moving means, and to effectively transport components.  <P>SOLUTION: The component-testing apparatus comprises a test head where inspection sockets 4a and 4b are provided, and a transport head that retains components to be tested for moving from a specific component supply section to a test header 4 and for connecting to inspection sockets 4a and 4b. The transport head has a socket recognition camera 61 and a lighting apparatus 62 for imaging the inspection socket mount section of the test head 4. Then, at least one of the camera 61 and the lighting apparatus 62 can be elevated between a lowering position approaching the inspection socket mount section and a rising position that is higher than the lowering position by a specific amount, and an elevation drive mechanism 62 for elevating them is provided.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003287104-A (JP)
Title: Torque converter
Inventor: ISHIBASHI HIDEKI
IPC: F16H41/24
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a cost by reducing the number of part items by simplifying a structure for receiving thrust of a stator of a four-element two-stage type torque converter.  <P>SOLUTION: In the four-element two-stage type torque converter, a fixed cylinder 3 extended in the inside direction of the torque converter from a case is fitted around a counter shaft 15. A pump 8 is rotatably installed on the base end side of the fixed cylinder 3 by a ball bearing 35. A spline 4 is formed on the free end side outer periphery of the fixed cylinder 3. An inner peripheral side member 2b of a one-way clutch 2 is fitted to the spline 4. An outer peripheral side member 2a of the one-way clutch 2 and the stator 2 are fixed. A snap ring 38 are installed on the base end side outer periphery of the fixed cylinder 3. An end surface of the inner peripheral side member 2b of the one- way clutch 2 is allowed to abut to an end surface of the snap ring 38.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003287578-A (JP)
Title: Method for estimating distribution of road temperature
Inventor: NAKAMURA TERUYUKI
IPC: G01W1/00
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for estimating a distribution of road temperature, which can rapidly calculate the road temperature.  <P>SOLUTION: In the method, an optical fiber 2 is buried under the road longitudinally, and a temperature distribution in the earth is measured at the depth of the buried fiber along the length of the road, and a road temperature at an arbitrary representative point arranged along the length of the road is measured by a road temperature sensor 5, and time functions of the road temperature at the representative point and the temperature in the earth at the depth of the buried fiber directly below the representative point are generated respectively by statistically processing them in time, and a time function of the temperature distribution in the depth direction is generated at the representative point based on the statistically generated time functions and thermal constants such as thermal conductivity, thermal capacity or the like in the earth, and the time function of the temperature distribution in the depth direction at the representative point is applied over a whole range along the length of the road, and thereby estimating the distribution of road temperature along the length of the road from the temperature distribution in the earth measured by the optical fiber 2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286406-A (JP)
Title: Polyurethane composition and method for producing the same
Inventor: KANAYAMA HIROSHI
IPC: C08L75/04
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new polyurethane composition with reduced content of a solvent of ≤20 wt.% and having releasability from a mold and adhesive performance with a polyurethane foam pad.  <P>SOLUTION: The polyurethane composition is formulated with at least an isocyanate compound (A), a polyol (B) and an internal release agent (C) of a specified structure and contains ≤20 wt.% solvent in the composition, where the content of the (C) is 0.01 to 10 mass% to the total mass of the (A), (B) and (C). The polyurethane composition has releasability from the mold and adhesive performance with the polyurethane foam pad in spite of low solvent content.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003290465-A (JP)
Title: Nail adjustment supporting device for pachinko game machine
Inventor: KOKETSU MUTSUMI
IPC: G01B3/30
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To unerringly carry out nail adjustment pursuiant to directions for nail adjustment set for every pachinko game even if there are many pachinko game machines for which the nail adjustment is intended.  <P>SOLUTION: A measuring unit 9 gives the measured value of the inner dimension (nail interval) of two barrier nails 4 on the board surface 2 of a pachinko game machine 1 to a portable terminal 10. An indicated value for nail adjustment showing the target value of the nail interval has been downloaded to the portable terminal 10 in advance from a management device 7. An OK sound is outputted when the value of a difference between the nail adjustment indicated value and the measured value is within a permissible range and an NG sound is outputted when the difference is out the permissible range.  <P>COPYRIGHT: (C)2004,JPO